Median Filter

Strips out areas of extreme high or low intensity from an image, by creating a box of a user-defined size around each pixel, sorting all of the pixels in that box into order of intensity, determining the median pixel, and replacing the initial pixel with that color. Useful for removing single pixel glitches and for smoothing out video noise. Use a larger box size to create artistic effects. The Median Filter is a sub-set of the Rank Filter.

Requires an Input (Any).

Produces an Output (Any).

Filter

Width, Height	Sets the size of the box. You should restrict the size of the box to the size of the information you wish to remove. Set a pixel values using the slider.
Tolerance	Protects areas where the change in intensity is small. If the median value determined within the box falls within the set Tolerance from the initial pixel value in any component, the pixel will not be replaced. Set a value between 0 and 1 using the slider.
Search Mode	Sets the criteria by which the pixels are sorted. Select Red, Green, Blue, Alpha or Luminance.

Mask

Controls this operator's Mask Options.

Output

Controls this operator's Output Options.

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